25361830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 50727600

約数和(自身を除く): 25365770

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 349, 430, 559, 698, 845, 1118, 1690, 1745, 2795, 3490, 4537, 5590, 7267, 9074, 14534, 15007, 22685, 30014, 36335, 45370, 58981, 72670, 75035, 117962, 150070, 195091, 294905, 390182, 589810, 975455, 1950910, 2536183, 5072366, 12680915, 25361830]

約数ペア:

[(1, 25361830), (2, 12680915), (5, 5072366), (10, 2536183), (13, 1950910), (26, 975455), (43, 589810), (65, 390182), (86, 294905), (130, 195091), (169, 150070), (215, 117962), (338, 75035), (349, 72670), (430, 58981), (559, 45370), (698, 36335), (845, 30014), (1118, 22685), (1690, 15007), (1745, 14534), (2795, 9074), (3490, 7267), (4537, 5590)]